HISEER AS10S/L Operation Installation Maintenance Manual Download Page 16

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System Overview Multiple Units in Series Cascade Connection

Buffer tank

VXV

HEAT PUMP 2

VVB

SAK

HEAT PUMP 1

SAK

NRV

EXP

AIV

Name

Description

Included ?

Name

Description

Included ?

P1 Circulation

pump Internal(Option)

Inlet water temperature sensor

Internal

VXV 3

way

Valve

External ST

Outlet

water temperature sensor

Internal

VVB Hot

water

tank

External

Outdoor temperature sensor

Internal

FI Soft

joint

External

Hot water temperature sensor

Internal

F2 Shut-off

valve

External

Discharge gas temperature

Internal

SAK Safety

valve

External

Suction gas temperature

Internal

Filter

External

EXP

Diaphragm expansion vessel

External

NRV

Non return valve

External

Automatic water supplement valve

External

ELK Electric

heater Internal(Option)

AIV Air

vent

valve

External

Systems Overview

Summary of Contents for AS10S/L

Page 1: ...0 AIR TO WATER HEAT PUMP Standard EVI AS10S L AS13S L AS20S L Operation installation maintenance manual V 201510 The installation of this unit is to adhere to all local Building Codes and Standards ...

Page 2: ...ating Cooling with Hot Water Production with Boiler back up 13 System Overview Multiple Units in Series Cascade Connection 15 Installation 17 Electrical connection 18 User Guide 24 Service Parameters 39 Service Guide 40 Commissioning and Adjusting 47 Commissioning Form 49 Alarms 50 Maintenance 56 Dimensions 59 Water Pressure Plots 60 Temperature and sensor resistance table 63 Components 65 Technic...

Page 3: ...2 Nomenclature ...

Page 4: ...er in plate exchanger and condensed to liquid state 4 The liquid state refrigerant is expanded in thermostatic expansion valve and become low pressure and low temperature liquid refrigerant 5 The cycle repeats 6 When EVI condition is met EVI expansion valve will open and some liquid gas will expand and the gas will be inject into compressor middle containment after absorbing heat from main branch ...

Page 5: ...ension side pressure of 5 3MPa G or over 2 Charge hose Only for R410A Use pressure performance of 5 09MPa G or over 3 Electronic scale 4 Gas leak detector Use the detector for R410A 5 Vacuum pump pump with reverse flow preventive function 6 Refrigerant charge base 7 Refrigerant cylinder Only for R410A Top of cylinder Pink Cylinder with syphon 8 Refrigerant recovery equipment 9 Torque wrench 10 Mul...

Page 6: ...o the unit then operation of the safety devices and parameter must be rechecked If a refrigerant leak occurs remove the complete charge using a recovery unit and store the refrigerant in mobile container Note care is to be taken as the refrigerant can breakdown due to high temperature these refrigerants by products are dangerous Once the leak has been repaired recharge the unit with the correct fi...

Page 7: ...liquid refrigerant onto the skin or splashing it into the eyes Use safety goggles Wash any spills from the skin with soap and water If liquid refrigerant enters the eyes immediately and abundantly flush the eyes with water and consult medical advice Note Never apply an open flame or live stream to a refrigerant container This can dangerously overpressure and cause an explosion Compressor oil type ...

Page 8: ...sation water when running in high humidity zones There is also a large run off when the unit melts ice during a defrost cycle Avoid locations exposed to machine oil vapour salty air thermal springs sulphur gases or other harsh substances If operation in temperatures below 0 C for prolonged periods or locations where the snow may fall the unit must be raised at least 300mm off the ground This is ne...

Page 9: ...8 Positioning 1 550mm 600mm 550mm 600mm Positioning ...

Page 10: ...1 indoor pump mode to work by regulation Inlet water temp sensor should be taken out of the unit and put into buffer tank s sensor pocket The Inlet water temp sensor is located on inlet water pipe The Inlet water temperature sensor B1 in the buffer tank will control the tank temperature by starting and stopping the compressor and pump together as required If Inlet water temp sensor has not been ch...

Page 11: ...n during winter 1 Drain the water from the system using the drains in the lower part of the unit 2 Add the correct percentage of glycol antifreeze to the water circuit 3 The power to the unit must be on all the time so unit can start circulation pump and auxiliary heater for anti freeze protection Important The pipe work must be flushed before the heat pump is connected so that any contaminants do...

Page 12: ...Inlet water temperature sensor Internal AIV Air vent valve External ST Outlet water temperature sensor Internal FI Soft joint External OT Outdoor temperature sensor Internal SAK Safety valve External PT Discharge gas temperature Internal FL Filter External ET Suction gas temperature Internal EXP Diaphragm expansion vessel External FS Automatic water supplement valve External Systems Overview ...

Page 13: ...temperature of the last stop the compressor will start to heat After outlet water temp B2 ST02 compressor will stop The Compressor will start again when Inlet water temperature RTc ST04 b When SF04 enable compensation YES ST02 is replaced by Set temperature at heating ST05 ST06 10 ST05 OT Refer to chapter Heating compensation curve setting Systems Overview ...

Page 14: ...T Outlet water temperature sensor Internal VVB Hot water tank External OT Outdoor temperature sensor Internal FI Soft joint External HT Hot water temperature Internal F2 Shut off valve External PT Discharge gas temperature Internal SAK Safety valve External ET Suction gas temperature Internal FL Filter External FS Automatic water supplement valve External AIV Air vent valve External EXP Diaphragm ...

Page 15: ...heating ST05 ST06 ST05 OT Refer to chapter Heating compensation curve setting 2 Cooling Mode Working Principle On cooling mode Three way valve VXV will open AB A When the Inlet water temperature B1 RTc ST03 RTc is the actual measured inlet water temp of last stop the compressor will start to cool until Outlet water temperature B2 ST01 Then compressor will stop The Compressor will start again when ...

Page 16: ...VXV 3 way Valve External ST Outlet water temperature sensor Internal VVB Hot water tank External OT Outdoor temperature sensor Internal FI Soft joint External HT Hot water temperature sensor Internal F2 Shut off valve External PT Discharge gas temperature Internal SAK Safety valve External ET Suction gas temperature Internal FL Filter External EXP Diaphragm expansion vessel External NRV Non return...

Page 17: ...t drop any further only this unit will run as required If the heating load is bigger than the capacity of one unit then the inlet water temperature B1 will continue to drop to below the second unit RTc ST04 the second unit will be switched on and start increasing the heating capacity 2 When SF04 ENABLE COMPENSATION YES ST02 is replaced by Set temperature at heating ST05 ST06 ST05 OT Refer to chapt...

Page 18: ...fouling and deterioration of the pump fittings 5 Protection devices are to be installed to protect the unit from operating outside of its running parameter such as control devices shutoff valve bleed valves safety valves and expansion tanks 6 The pipe installation should be designed to have the least number of elbows and joiners as they reduce flow Install drain connections at low points to allow ...

Page 19: ... For wiring connection refer to the electric wiring diagram on the inside panel of the unit When the building is equipped with a RCD the heat pump should be equipped with a separate one IMPORTANT During the installation of the unit first make the water connections and then electrical connections If the unit is to be removed first disconnect the electrical connections then the water connections to ...

Page 20: ...or Side Inlet Water Temperature Sensor The indoor side inlet water sensor B1 from factory is placed at inlet water pipe If a buffer tank is installed the Inlet water temperature sensor B1 can be moved to the buffer tank temperature sensor inlet pocket and EV01 parameter value can be set to work by regulation This stops the pump running when compressor is OFF If the Inlet water temperature sensor B...

Page 21: ...ion B1 B2 switch is activated to turn On Off the unit When the A C switch B1 B2 is bridged the unit s heating function is activated An external signal like a timer or thermostat etc could be connected to B1 B2 to activate or deactivate the unit s heating function This external signal must be voltage free Case 1 Install a manual switch inside the house to switch on off heating Case 2 Install a time...

Page 22: ... bridged the unit s hot water function is activated An external signal like a timer or thermostat etc could be connected to A1 A2 to activate or deactivate the unit s hot water function This external signal must be voltage free Case 1 Install a manual switch inside the house to switch on off hot water production Case 2 Install a timer switch inside the house to switch on off hot water production a...

Page 23: ...t 1 2 at the terminal block for connecting circulation water pump If PWM pump is adopted PWM signal is connected to D1 D2 Three Way Valve Connection NO7 NC7 A 3 way valve could be connected to terminal 7 8 9 for domestic hot water production Electrical Connections ...

Page 24: ...c heater or boiler Hot Water Electric Heater NO8 There is a connection port 12 13 used to activate and de activate hot water electric heater The max current is 1 Amps therefore a contactor must be applied to control hot water electric heater User parameter ST26 is the hours in interval to switch on hot water heater to kill bacterial After hot water temp reaches ST27 pre set water temp hot water he...

Page 25: ...lash to indicate when any alarm happens Press it to re set manual re set alarms after the fault is removed Program Press it to enter main menu Esc In Menu parameter setting mode press it to return to the previous menu level Enter In Menu parameter setting mode press it enter the menu or the value entered or scroll to next parameter data Up Press it to scroll to another menu or to increase the valu...

Page 26: ... mode Heating mode Domestic hot water mode Cooling mode Water pump Compressor Fan Menu Tree Code Indication Code Indication CM Compressor settings ST Setpoints CN Condenser settings UI User interface EV Evaporator settings AR Alarm settings SF Special functions DF Defrost settings User Guide ...

Page 27: ...wledge warnings and alarms Heating Cooling changeover Service Password required Configure and commission applications by setting adjusting parameter values User No password is required Adjust limited values of parameters Main menu Press button to enter main menus Unit on off when unit on off way setting is keyboard Press button it display Unit on off I O input output User Parameter Clock Alarm his...

Page 28: ...splay press button to enter it will display Unit A C and DHW are successfully switched on Starting displays on screen water pump turns on and display pump symbol on screen with some minutes delay fan and compressor will turn on and display the symbol on screen Inlet outlet ambient temperature etc could be checked via pressing up and down button Switching the unit Off is same operation The units al...

Page 29: ...er temp B5 PT Discharge temp B6 ET Suction temp B11 LPS Suction pressure and temp B12 HPS Discharge pressure and temp DI1 AC flow switch DI2 No use DI3 No use DI4 AC switch DI5 DHW switch DI6 Power fault DI7 Comp OL NO1 Compressor NO2 Water pump NO3 4 way valve NO4 AC heater NO5 Crankcase heater NO6 Inject valve NO7 3 way valve NO8 How water heater NO9 De icing heater Y1 EC fan Y3 Water pump PWM U...

Page 30: ...l display Changing Set points for user Display Procedures press Prg to main menu press Down button to User Press Enter button Press Down button to the desired parameter Press Enter button when 7 0 is flashing press Up or Down button to change the value Press Enter to confirm Cursor will move to next parameter data 40 40 will flash and could be changed via up or down button Press Enter to confirm C...

Page 31: ...etting temperature at heating compensation 25 0 30 ºC 0 1 ST06 Compensation factor for heating compensation 0 6 0 30 0 1 ST07 Outdoor temp to start the boiler or electric heater 0 20 20 ºC 0 1 ST09 Hot water temperature 50 ST15 ST16 ºC 0 1 ST10 Hot water temperature difference 3 1 10 ºC 0 1 ST26 Disinfect time 0 0 1000 h 1 ST27 Disinfect temperature 65 50 99 9 ºC 0 1 TR09 AC timezone On Off NO YES...

Page 32: ...ating ST05 ST06 ST05 OT ST05 is indoor temperature that the user feel comfortable ST06 is the heating compensation coefficient curve factor you select for the heat pump to work with Increasing ST06 will increase compensation temperature and RT will increase relatively OT is the outside temperature The calculated temperature can be used for the control reference but the maximum data will not exceed...

Page 33: ...ement With the increase of the outdoor temperature the control temperature become lower and lower so that the heat pump works under low pressure to keep low energy consumption Changing ST05 or ST06 could change the heating curve Increase ST05 will lift up the curve Increase ST06 will increase the grade of the curve User Guide ...

Page 34: ...s too low You could increase ST06 When the room temperature is too high you could decrease ST06 Warm weather conditions If the room temperature is too low You could increase ST05 If the room temperature is too high you could decrease ST05 The temp of the room with floor heating need a long time to stabilize After a ST05 ST06 adjustment Pls wait 24 hours before you take another adjustment again Use...

Page 35: ...34 Three curves of different ST05 setting User Guide ...

Page 36: ... If OT 15 0 actual control temp is 49 0 If you have your own curve as below you want to have ST 38 when OT 0 and ST 49 when OT 10 Just adjust wanted T1 T2 OT1 and OT2 in S12 menu and it could help to find out relative ST05 and ST06 setting for desired control outlet water temp in certain OT As above example ST05 18 1 ST06 1 1 then go to menu S10 to input checked result into ST05 and ST06 parameter...

Page 37: ...mezone is for domestic hot water When TR10 is set YES two different time periods is available to set in every day from Sunday to Saturday If the unit is manually turned on by keyboard before the automatic turning on by the timer this timer ON program is implemented and unit will be turned off automatically when the time of timer OFF has come If the unit is manually turned off by keyboard before th...

Page 38: ...nto the air inlet or air outlet Do not start or stop the unit by removing the power cable always use the controls and switches provided Do not operate the unit or controller with wet fingers Upon replacement of the fuse ensure an adequate replacement is used e g not fuse wire The electrical supply must be isolated during a heightened risk of lightning strikes Do not attempt to move the appliance o...

Page 39: ...igure are inputted It will enter Service level parameter Press Enter button It display controller version information Press Down button it goes to Unit type setting Press Enter to confirm when Cooling heating is flashing press Up or Down button to change the value Press Enter to confirm Cursor will move to E02 When E02 is flashing press Down button to next parameters Or continuously press Esc to e...

Page 40: ...On Off way Keyboard Keyboard or remote DF03 Defrost start outdoor temperature 12 3 0 20 0 ºC 0 1 DF04 Defrost temperature differential OT LPS 13 5 20 ºC 0 1 DF05 Defrost start delay after OT LPS DF04 15 1 60 Sec 1 DF06 Minimum defrost interval 30 15 60 Min 1 DF09 Defrost end HPS temperature 35 1 40 ºC 0 1 DF10 Max defrost time 360 1 1000 Sec 1 DF12 Defrost start evaporation temp 2 5 5 ºC 0 1 DF13 ...

Page 41: ... is met The first time unit on condition B1a ST01 5 Off B2 ST01 Heating demand In B1 B2 On B1 B1c ST04 B1c is the measured sensor B1 temperature when the unit off condition is met The first time unit on condition B1c ST02 5 Off B2 ST02 Domestic hot water demand In B4 HT On B4 ST09 ST10 Off B4 ST09 Service Guide ...

Page 42: ...an and compressor Turn off process at hot water mode 4 Switch off compressor 5 After 5 second s delay switch off fan motor 6 After 30 seconds delay switch off water pump and 3 way valve Hot water priority When unit is heating if there is a call for hot water it start 3 way valve at once and turn to hot water mode directly It will revert back to heating mode after hot water reach set temperature Wh...

Page 43: ...ve is ON when unit is producing domestic hot water 2 If unit is defrosting on heating mode 3 way valve is off at first if ST AR01 and last 2 seconds 3 way valve is switched ON If ST AR01 and last 2 seconds again it will report AL03 exit defrosting and return to heating 3 If unit is defrosting on hot water mode 3 way valve is on at first if ST AR01 and last 2 seconds 3 way valve is switched OFF If ...

Page 44: ...an runs as CN02 ambient temperature CN08 fan runs as CN03 CN07 ambient temperature CN08 fan runs on the speed proportionally between CN03 and CN02 The EC fan input control voltage and speed table Series No Input control Voltage Speed rpm 1 2 8V 451 2 2 9V 490 3 3 0V 520 4 3 1V 551 5 3 2V 605 6 3 3V 654 7 3 4V 684 8 3 5V 706 9 3 6V 754 10 3 7V 780 11 3 8V 817 12 3 9V 838 13 4 0V 870 14 4 1V 892 15 ...

Page 45: ...EV06 PWM is off when pump is off Pump PWM will starts running for 3 minutes when pump is off for 24 hours to avoid seizure Defrosting control The unit is equipped with hot gas defrosting When the conditions of defrosting starting are met the fan stops the 4 way valve changes direction and the hot gas flows out to the finned coil heat exchanger instead After the condition of defrosting exit is met ...

Page 46: ...ill access both service and manufacturer level parameter press Down button to Manufacturer Parameter Press Down button it display parameter and data Press Enter to confirm when data is flashing press Up or Down button to change the value Press Enter to confirm Cursor will move to P02 When P02 is flashing press Down button to next parameters Or continuously press Esc to exit out of the current leve...

Page 47: ...AR04 Water flow switch start up delay time 30 1 300 Sec 1 AR06 Low pressure alarm times within 24 hours 4 1 10 1 AR07 High pressure alarm times within 24 hours 6 1 10 1 AR08 low suction temperature protection 2 10 10 0 1 AR09 Low pressure switch start up delay time 300 10 1000 Sec 1 AR10 High discharge gas temperature protection 115 100 130 0 1 AR11 Antifreeze detect interval 30 1 1000 Min 1 AR13 ...

Page 48: ...pressor oil heater has the compressor oil at the correct temp before the FIRST start this will ensure no damage is done to the compressor on start up Startup and Inspection 1 Turn the isolator switch on Note Ensure that the heating control system is in the off position first 2 The compressor oil heater must have been operational for at least 6 8 hours before a compressor start can be initiated 3 S...

Page 49: ...me with calibration function Insert default setting Among User service and manufacturer parameters there is a function to insert each privilege level factory default setting Change NO to YES press Enter it will display Operation succeed Initialization On manufacturer parameter initialization function could restore all user service and manufacturer parameters to factory default settings Change NO t...

Page 50: ...water LPS Power voltage V Current A Domestic hot water mode 10 minutes after compressor start to run Is a hot water cylinder installed Capacity litres Heating coil diameter mm length m Inlet discharge outlet suction ambient HPS hot water LPS Power voltage V Current A Additional heat sources connected Gas Boiler Oil Boiler Electric Heater Solar Thermal YES The heating hot water and ventilation syst...

Page 51: ...ically The user needs to record and contact the supplier on actions what to do 4 To acknowledge and reset the alarm press the button 5 Ensure that the fault has been fixed before the alarm has been reset When an alarm is detected The icon will continuously flash An alarm code will be displayed on the screen If more than one alarm is detected the alarm codes will be displayed successively on the LC...

Page 52: ...ble over 150 ºC or lower than 35 ºC B1 AL72 ST sensor trouble over 150 ºC or lower than 35 ºC B2 AL73 OT sensor trouble over 150 ºC or lower than 35 ºC B3 AL74 HT sensor trouble over 150 ºC or lower than 35 ºC B4 AL75 PT sensor trouble over 150 ºC or lower than 35 ºC B5 AL76 ET sensor trouble over 150 ºC or lower than 35 ºC B6 Manual Reset Alarms The following are codes for manual reset alarms wit...

Page 53: ...isplayed Acknowledging and Resetting Manual Reset Alarms Any alarm detected by the system either an auto reset alarm or a manual reset alarm will be displayed on the LCD However only manual reset alarms require user s acknowledgement and reset To clear the alarm press to acknowledge the alarm If the alarm status is cleared the corresponding device icon and alarm icon that are flashing will accordi...

Page 54: ...tate a continuous blink warning code AL17 will appear on the LCD After AL17 alarm happen if DI1 ON and lasts 5s unit will return to normal working Low evaporate temperature protection Code AL20 The protection function will be valid at COOLING mode 20 seconds after compressor working if suction temperature AR08 the compressors is off 5 seconds later fan motor will be stopped PWM pump runs as EV06 o...

Page 55: ...s later If outlet water temperature SF08 switch off water pump If outlet water temperature SF08 and unit is off state if water flow switch is closing A C auxiliary heater is switched on If water flow switch is opening it does not switch on A C auxiliary heater and displays AL26 Until outlet water temperature SF08 SF09 it switches off A C auxiliary heater 10 seconds later switches off water pump If...

Page 56: ...preset temperature CM02 later it will start again B2 AL72 Switch off the unit B3 AL73 Unit will continue to run according to SF04 0 on heating mode B4 AL74 Hot water mode is invalid Alarm code displays if SF05 1 Alarm code does not display if SF05 0 B5 AL75 Switch off the unit B6 AL76 Cancel AL20 protection increase ST01 2 degree Celsius more B7 AL77 Switch off the unit B11 AL37 Switch off the uni...

Page 57: ...e air grills are clear and clean it at least once a year or more often if the equipment environment is especially demanding this ensures that the unit s performance can be maintained 2 Check the operation of the high pressure and low pressure switches Replace them if there is a fault 3 Check the fouling of the filter dryer by checking the temperature difference in the copper piping Replace it if n...

Page 58: ... recharged in the liquid state into the liquid line The refrigerant cylinder must always contain at least 10 of its initial charge For the refrigerant quantity per unit refer to the data on the unit name plate Verify the Alarm Status 1 Check the alarm menu when the unit is in the standby mode to see if any alarms or warning have occurred Electrical Maintenance 1 Check for correct termination tensi...

Page 59: ... cleaner 2 Clean the coil with the appropriate cleaning agents Water Circuit Checks 1 Clean the water filter if fitted 2 Purge the system to remove any air 3 Verify the correct operation of the water flow switch 4 Check the status of the thermal piping insulation 5 Check the water flow by checking the water inlet and outlet temperature difference 6 Check the concentration of the anti freeze protec...

Page 60: ...59 Dimensions AS10S L AS13S L 1096 550 500 1040 143 476 151 AS20S L Dimensions ...

Page 61: ...60 Water Pressure Plots m 3 h 10 20 30 1 0 2 0 3 0 4 0 40 KPa AS10S L Optional high efficiency pump curve AS10S L UPM3 FLEX AS 25 70 130 Water Pressure Plots ...

Page 62: ...61 10 20 30 1 0 2 0 3 0 4 0 40 KPa m3 h AS13S L Optional high efficiency pump curve AS13S L Water Pressure Plots ...

Page 63: ...62 AS20S L m3 h 10 20 30 1 0 2 0 3 0 4 0 40 KPa 5 0 Water Pressure Plots ...

Page 64: ...63 Temperature and sensor resistance table Temperature and sensor resistance table ...

Page 65: ...64 Temperature and sensor resistance table ...

Page 66: ... Compressor 9 Differential pressure flow switch option package 1 10 Phase relay 11 Circuit breaker 12 Terminal block 13 Relay for pump 14 Carel controller 15 Transformer 16 Compressor contactor 17 Thermal overload relay 18 EC fan motor board 19 Economizer 20 EVI Expansion valve 21 Low pressure transducer 22 maincircuit Expansion valve 23 Service connection LP 24 Gas liquid separator 25 Four way va...

Page 67: ...5 kW 7 35 3 32 COP 2 21 9 26 4 3 COP 2 15 14 1 6 4 COP 2 2 Heat output Power consumption COP at 15 35 kW 6 35 2 68 COP 2 37 8 18 3 5 COP 2 34 12 4 5 21 COP 2 38 Heat output Power consumption COP at 15 45 kW 6 4 3 29 COP 1 94 8 55 4 46 COP 1 92 12 5 6 38 COP 1 96 Cool output Power consumption at 35 7 KW 8 26 2 9 COP 2 85 10 5 3 77 COP 2 78 17 8 6 3 COP 2 82 Rated current at A7 W35 A 4 9 6 9 9 7 Sta...

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